Nuprl Lemma : tuple_wf

∀[L:Type List]. ∀[F:i:ℕ||L|| ⟶ L[i]]. ∀[n:{n:ℤ| n = ||L|| ∈ ℤ} ].  (tuple(n;i.F[i]) ∈ tuple-type(L))


Proof




Definitions occuring in Statement :  tuple: tuple(n;i.F[i]),  tuple-type: tuple-type(L),  select: L[n],  length: ||as||,  list: T List,  int_seg: {i..j-},  uall: ∀[x:A]. B[x],  so_apply: x[s],  member: t ∈ T,  set: {x:A| B[x]} ,  function: x:A ⟶ B[x],  natural_number: $n,  int: ℤ,  universe: Type,  equal: s = t ∈ T
Definitions unfolded in proof :  uall: ∀[x:A]. B[x],  member: t ∈ T,  uimplies: b supposing a,  sq_type: SQType(T),  all: ∀x:A. B[x],  implies: P ⇒ Q,  guard: {T},  tuple: tuple(n;i.F[i]),  nat: ℕ,  false: False,  ge: i ≥ j ,  satisfiable_int_formula: satisfiable_int_formula(fmla),  exists: ∃x:A. B[x],  not: ¬A,  top: Top,  and: P ∧ Q,  prop: ℙ,  le: A ≤ B,  int_seg: {i..j-},  lelt: i ≤ j < k,  subtype_rel: A ⊆r B,  or: P ∨ Q,  select: L[n],  nil: [],  it: ⋅,  so_lambda: λ2x y.t[x; y],  so_apply: x[s1;s2],  upto: upto(n),  from-upto: [n, m),  ifthenelse: if b then t else f fi ,  lt_int: i <z j,  bfalse: ff,  so_lambda: so_lambda(x,y,z.t[x; y; z]),  so_apply: x[s1;s2;s3],  cons: [a / b],  colength: colength(L),  decidable: Dec(P),  less_than: a < b,  squash: ↓T,  so_lambda: λ2x.t[x],  so_apply: x[s],  less_than': less_than'(a;b),  nat_plus: ℕ+,  true: True,  uiff: uiff(P;Q),  assert: ↑b,  btrue: tt,  subtract: n - m,  eq_int: (i =z j),  bool: 𝔹,  unit: Unit,  bnot: ¬bb,  compose: f o g,  nequal: a ≠ b ∈ T 
Lemmas referenced :  subtype_base_sq,  int_subtype_base,  nat_properties,  satisfiable-full-omega-tt,  intformand_wf,  intformle_wf,  itermConstant_wf,  itermVar_wf,  intformless_wf,  int_formula_prop_and_lemma,  int_formula_prop_le_lemma,  int_term_value_constant_lemma,  int_term_value_var_lemma,  int_formula_prop_less_lemma,  int_formula_prop_wf,  ge_wf,  less_than_wf,  int_seg_wf,  length_wf,  select_wf,  int_seg_properties,  intformeq_wf,  int_formula_prop_eq_lemma,  equal-wf-T-base,  nat_wf,  colength_wf_list,  less_than_transitivity1,  less_than_irreflexivity,  list_wf,  list-cases,  length_of_nil_lemma,  stuck-spread,  base_wf,  tupletype_nil_lemma,  map_nil_lemma,  list_ind_nil_lemma,  it_wf,  product_subtype_list,  spread_cons_lemma,  itermAdd_wf,  int_term_value_add_lemma,  decidable__le,  intformnot_wf,  int_formula_prop_not_lemma,  le_wf,  equal_wf,  decidable__lt,  subtract_wf,  itermSubtract_wf,  int_term_value_subtract_lemma,  set_subtype_base,  decidable__equal_int,  length_of_cons_lemma,  tupletype_cons_lemma,  upto_decomp2,  add_nat_plus,  length_wf_nat,  nat_plus_wf,  nat_plus_properties,  add-is-int-iff,  false_wf,  map_cons_lemma,  list_ind_cons_lemma,  cons_wf,  non_neg_length,  set_wf,  equal-wf-base-T,  null-map,  null-upto,  decidable__assert,  null_wf,  null_nil_lemma,  lelt_wf,  null_cons_lemma,  bool_wf,  eqtt_to_assert,  assert_of_null,  eq_int_wf,  assert_of_eq_int,  btrue_wf,  not_assert_elim,  and_wf,  btrue_neq_bfalse,  eqff_to_assert,  bool_cases_sqequal,  bool_subtype_base,  assert-bnot,  neg_assert_of_eq_int,  map-map,  nil_wf,  add-subtract-cancel,  add-member-int_seg2,  subtype_rel-equal,  select-cons-tl
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  isect_memberFormation,  introduction,  cut,  setElimination,  thin,  rename,  instantiate,  extract_by_obid,  sqequalHypSubstitution,  isectElimination,  cumulativity,  intEquality,  independent_isectElimination,  hypothesis,  dependent_functionElimination,  hypothesisEquality,  equalityTransitivity,  equalitySymmetry,  independent_functionElimination,  lambdaFormation,  sqequalRule,  intWeakElimination,  natural_numberEquality,  dependent_pairFormation,  lambdaEquality,  int_eqEquality,  isect_memberEquality,  voidElimination,  voidEquality,  independent_pairFormation,  computeAll,  axiomEquality,  functionEquality,  productElimination,  universeEquality,  because_Cache,  applyLambdaEquality,  applyEquality,  unionElimination,  baseClosed,  promote_hyp,  hypothesis_subsumption,  dependent_set_memberEquality,  addEquality,  imageElimination,  imageMemberEquality,  pointwiseFunctionality,  baseApply,  closedConclusion,  functionExtensionality,  equalityElimination,  independent_pairEquality

Latex:
\mforall{}[L:Type  List].  \mforall{}[F:i:\mBbbN{}||L||  {}\mrightarrow{}  L[i]].  \mforall{}[n:\{n:\mBbbZ{}|  n  =  ||L||\}  ].    (tuple(n;i.F[i])  \mmember{}  tuple-type(L))



Date html generated: 2017_04_17-AM-09_29_13
Last ObjectModification: 2017_02_27-PM-05_29_50

Theory : tuples


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